Product
KTTO
Combined thermostat – thermal cut-off for electric water heaters
Our core product. It controls the working temperature of the water heater and cuts out in a fault — two functions in one body. Three variants by the position of the current-carrying terminals: TYPE 1 for direct connection to the heating element; TYPE 2 for indirect connection allowing contactor control; TYPE 3 with an output for an indicator lamp.
Technical data
Thermostat setting range20 – 72 °C
Thermostat setting tolerance± 3 °C
Thermal cut-off trip temperature80 °C
Thermal cut-off setting tolerance± 5 °C
Rated voltage250 V, 50 Hz
Rated switching current16 A
Thermostat dead bandnot more than 15 °C
VariantsTYPE 1 · TYPE 2 · TYPE 3
Documents
Wiring diagramQuestions about this product
eng. Ivan Rangelov
+359 888 162 000rangelov@rastbg.comVariants
Three types by the position of the current-carrying terminals
TYPE 1 — classic
Terminals towards the tube. For direct connection to the heating element.
TYPE 2
Terminals opposite the tube. Indirect connection, allowing contactor control.
TYPE 3
The current-carrying terminals have an output for an indicator lamp.
Describe the job — we will answer with a quote
A production component, a part to cast or to print — send us the requirements, the quantity and the deadline.